Question
In: Physics
A charge of 2.20 µC is uniformly distributed on a ring of radius 9.0 cm. Find...
A charge of 2.20 µC is uniformly distributed on a ring of radius 9.0 cm. Find the electric field strength on the axis at the following locations. (be careful calculating c and d the last post was wrong. please include e.)
(a) 1.2 cm from the center of the ring
N/C
(b) 3.9 cm from the center of the ring
N/C
(c) 4.0 m from the center of the ring
N/C
(d) Find the field strength at 4.0 m using the approximation that
the ring is a point charge at the origin.
N/C
(e) Compare your results for parts (c) and (d) by finding the ratio
of the approximation to the exact result.
(f) Is your approximation result a good one? Explain your answer.
(Do this on paper. Your instructor may ask you to turn in your
work.)
Solutions
genius_generous answered 4 months agoRelated Solutions
A charge of 2.20 µC is uniformly distributed on a ring of radius 9.0 cm. Find...
A charge of 2.20 µC is uniformly distributed on a ring of radius
9.0 cm. Find the electric field strength on the axis at the
following locations.
(a) 1.2 cm from the center of the ring
N/C
(b) 3.9 cm from the center of the ring
N/C
(c) 4.0 m from the center of the ring
N/C
(d) Find the field strength at 4.0 m using the approximation that
the ring is a point charge at the origin.
N/C
(e)...
A nonconducting ring of radius of 11.6 cm is uniformly charged with a total positive charge...
A nonconducting ring of radius of 11.6 cm is uniformly charged
with a total positive charge of 10.0 µC. The ring rotates at a
constant angular speed 18.6 rad/s about an axis through its center,
perpendicular to the plane of the ring. What is the magnitude of
the magnetic field on the axis of the ring 5.00 cm from its
center?
pT
A circular ring of radius R with a total charge 2Q uniformly distributed along its circumference...
A circular ring of radius R with a total charge 2Q uniformly
distributed along its circumference lies in the x y plane with its
center at the origin.
(a) Find the electric field at a point with coordinates (0, 0,
z0). Show all steps in your calculation. Don’t forget to represent
the field in vector form - magnitude and direction!
(b) Find the locations along the z axis where the electric field
has its largest values (don’t forget that because...
A uniformly charged thin ring has a radius 15.0 cm and has total charge +24.0 nC....
A uniformly charged thin ring has a radius 15.0
cm and has total charge +24.0 nC. An
electron is placed on the ring's axis a distance 30.0
cm from the center of the ring and is constrained to stay
onthe axis of the ring. The electron is then released from
rest.
a) Obtain the potential of a charged ring from an electric
field.
b) Calculate the force felt by the electron when it is placed 30 cm
from its center....
A uniformly charged, thin ring has radius 15.5 cm and total charge +23.3 nC. An electron...
A uniformly charged, thin ring has radius 15.5 cm and total
charge +23.3 nC. An electron is placed on the ring’s axis a
distance 26.1 cm from the center of the ring and is constrained to
stay on the axis of the ring. The electron is then released from
rest. Find the speed of the electron when it reaches the center of
the ring. (Give your answer in scientific notation using m/s as
unit)
A solid conducting sphere of radius 2.4 cm has a charge of 23 nC distributed uniformly...
A solid conducting sphere of radius 2.4 cm has a charge of 23 nC
distributed uniformly over its surface. Let A be a point 1.8 cm
from the center of the sphere, S be a point on the surface of the
sphere, and B be a point 5.4 cm from the center of the sphere. What
are the electric potential differences (a)VS – VB and (b)VA –
VB?
A ring of charge with radius 1.5 cm and a charge of 100nC has the electric...
A ring of charge with radius 1.5 cm and a charge of
100nC has the electric field along the primary axis of the ring as
E=kQx/(R^2+x^2)^3/2
1. find electric field 2.25 cm from the center of the
ring along the primary axis
2. what force would a charge of -5nC experience at this point
3. what point charge would you have to place at x=-5cm to make the
electric field zero at this location?
A spherical conductor has a radius of 14.0 cm and a charge of 32.0 µC. Calculate...
A spherical conductor has a radius of 14.0 cm and a charge of
32.0 µC. Calculate the electric field and the electric potential at
the following distances from the center.
a) r =8.0 cm
electric field: MN/C
electric potential: MV
b) r = 36.0 cm
electric field: MN/C
electric potential: MV
c) r = 14.0 cm
electric field: MN/C
electric potential: MV
A spherical conductor has a radius of 14.0 cm and a charge of 26.0 µC. Calculate...
A spherical conductor has a radius of 14.0 cm and a charge of
26.0 µC.
Calculate the electric field and the
electric potential at:
(a) r = 10.0 cm,
(b) r = 20.0 cm,
(c) r = 14.0 cm from the center.
A rubber ball with a radius of 10.0 cm is uniformly charged with a charge density...
A rubber ball with a radius of 10.0 cm is uniformly charged with
a charge density of p . The electric field at position “X”, 5.00 cm
from the center of the ball, is pointing toward the center of the
sphere with a magnitude of 2 5.00 10^2 N/ C . What is the magnitude
of the electric field 12.00 cm from the center of the sphere?
Neglect any dielectric effect of the rubber
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